[PATCH] ath11k: fix rmmod failure if qmi sequence fails
Anilkumar Kolli
akolli at codeaurora.org
Sat Oct 17 06:16:57 EDT 2020
QMI sequence fails if caldata file is not available.
It is observed that 'rmmod ath11k' fails if qmi message fails.
With this patch rmmod/insmod is working.
Logs:
Direct firmware load for IPQ8074/caldata.bin failed with error -2
Falling back to user helper
qmi failed to load CAL: IPQ8074/caldata.bin
qmi failed to load board data file:-11
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00009-QCAHKSWPL_SILICONZ-1
Signed-off-by: Anilkumar Kolli <akolli at codeaurora.org>
---
drivers/net/wireless/ath/ath11k/ahb.c | 9 +++++++-
drivers/net/wireless/ath/ath11k/core.h | 1 +
drivers/net/wireless/ath/ath11k/debugfs.c | 1 +
drivers/net/wireless/ath/ath11k/pci.c | 8 +++++++
drivers/net/wireless/ath/ath11k/qmi.c | 38 +++++++++++++++++++------------
5 files changed, 42 insertions(+), 15 deletions(-)
diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index 430723c64adc..03b75f744025 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -720,6 +720,13 @@ static int ath11k_ahb_remove(struct platform_device *pdev)
struct ath11k_base *ab = platform_get_drvdata(pdev);
unsigned long left;
+ if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) {
+ ath11k_ahb_power_down(ab);
+ ath11k_debugfs_soc_destroy(ab);
+ ath11k_qmi_deinit_service(ab);
+ goto qmi_fail;
+ }
+
reinit_completion(&ab->driver_recovery);
if (test_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags)) {
@@ -733,8 +740,8 @@ static int ath11k_ahb_remove(struct platform_device *pdev)
cancel_work_sync(&ab->restart_work);
ath11k_core_deinit(ab);
+qmi_fail:
ath11k_ahb_free_irq(ab);
-
ath11k_hal_srng_deinit(ab);
ath11k_ce_free_pipes(ab);
ath11k_core_free(ab);
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 18b97420f0d8..e63d2710f30b 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -178,6 +178,7 @@ enum ath11k_dev_flags {
ATH11K_FLAG_RECOVERY,
ATH11K_FLAG_UNREGISTERING,
ATH11K_FLAG_REGISTERED,
+ ATH11K_FLAG_QMI_FAIL,
};
enum ath11k_monitor_flags {
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index 1b914e67d314..554feaf1ed5c 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -867,6 +867,7 @@ void ath11k_debugfs_soc_destroy(struct ath11k_base *ab)
debugfs_remove_recursive(ab->debugfs_ath11k);
ab->debugfs_ath11k = NULL;
}
+EXPORT_SYMBOL(ath11k_debugfs_soc_destroy);
void ath11k_debugfs_fw_stats_init(struct ath11k *ar)
{
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index d7eb6b7160bb..0a6787985726 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -1008,10 +1008,18 @@ static void ath11k_pci_remove(struct pci_dev *pdev)
struct ath11k_base *ab = pci_get_drvdata(pdev);
struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+ if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) {
+ ath11k_pci_power_down(ab);
+ ath11k_debugfs_soc_destroy(ab);
+ ath11k_qmi_deinit_service(ab);
+ goto qmi_fail;
+ }
+
set_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags);
ath11k_core_deinit(ab);
+qmi_fail:
ath11k_mhi_unregister(ab_pci);
ath11k_pci_free_irq(ab);
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index c2b165158225..29ae350e9b80 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2375,7 +2375,7 @@ ath11k_qmi_driver_event_post(struct ath11k_qmi *qmi,
return 0;
}
-static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2383,17 +2383,19 @@ static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
ret = ath11k_qmi_fw_ind_register_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send FW indication QMI:%d\n", ret);
- return;
+ return ret;
}
ret = ath11k_qmi_host_cap_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send host cap QMI:%d\n", ret);
- return;
+ return ret;
}
+
+ return ret;
}
-static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2401,11 +2403,13 @@ static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
ret = ath11k_qmi_respond_fw_mem_request(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to respond fw mem req:%d\n", ret);
- return;
+ return ret;
}
+
+ return ret;
}
-static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2413,7 +2417,7 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
ret = ath11k_qmi_request_target_cap(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to req target capabilities:%d\n", ret);
- return;
+ return ret;
}
if (ab->bus_params.fixed_bdf_addr)
@@ -2422,14 +2426,16 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
ret = ath11k_qmi_load_bdf_qmi(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to load board data file:%d\n", ret);
- return;
+ return ret;
}
ret = ath11k_qmi_wlanfw_m3_info_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send m3 info req:%d\n", ret);
- return;
+ return ret;
}
+
+ return ret;
}
static void ath11k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl,
@@ -2562,7 +2568,7 @@ static int ath11k_qmi_ops_new_server(struct qmi_handle *qmi_hdl,
ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi wifi fw qmi service connected\n");
ath11k_qmi_driver_event_post(qmi, ATH11K_QMI_EVENT_SERVER_ARRIVE, NULL);
- return 0;
+ return ret;
}
static void ath11k_qmi_ops_del_server(struct qmi_handle *qmi_hdl,
@@ -2586,6 +2592,7 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
event_work);
struct ath11k_qmi_driver_event *event;
struct ath11k_base *ab = qmi->ab;
+ int ret = 0;
spin_lock(&qmi->event_lock);
while (!list_empty(&qmi->event_list)) {
@@ -2599,17 +2606,17 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
switch (event->type) {
case ATH11K_QMI_EVENT_SERVER_ARRIVE:
- ath11k_qmi_event_server_arrive(qmi);
+ ret = ath11k_qmi_event_server_arrive(qmi);
break;
case ATH11K_QMI_EVENT_SERVER_EXIT:
set_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
set_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
break;
case ATH11K_QMI_EVENT_REQUEST_MEM:
- ath11k_qmi_event_mem_request(qmi);
+ ret = ath11k_qmi_event_mem_request(qmi);
break;
case ATH11K_QMI_EVENT_FW_MEM_READY:
- ath11k_qmi_event_load_bdf(qmi);
+ ret = ath11k_qmi_event_load_bdf(qmi);
break;
case ATH11K_QMI_EVENT_FW_READY:
if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) {
@@ -2621,7 +2628,6 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
ath11k_core_qmi_firmware_ready(ab);
ab->qmi.cal_done = 1;
set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags);
-
break;
case ATH11K_QMI_EVENT_COLD_BOOT_CAL_DONE:
break;
@@ -2630,6 +2636,9 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
break;
}
kfree(event);
+ if (ret < 0)
+ set_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags);
+
spin_lock(&qmi->event_lock);
}
spin_unlock(&qmi->event_lock);
@@ -2682,4 +2691,5 @@ void ath11k_qmi_deinit_service(struct ath11k_base *ab)
ath11k_qmi_m3_free(ab);
ath11k_qmi_free_target_mem_chunk(ab);
}
+EXPORT_SYMBOL(ath11k_qmi_deinit_service);
--
2.7.4
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